| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1007.7 | USD | 20251022 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.71 | USD | 20251022 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.71 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 838.57 | USD | 20251022 |
| China national standards | MT | 873.81 | USD | 20251022 | |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1000.65 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1254.33 | USD | 20251022 |